1997-99: Yunyarinyi (Kenmore Park) – Total Dissolved Solids

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Yunyarinyi (Kenmore Park)

The salinity of these groundwaters is 540-670 mg/L . TDS with nitrate concentrations of 22-44 mg/L and fluoride concentrations of 1.5 mg/L. Salinity is within the Australian Drinking Water Guidelines (1996) although water quality with respect to fluoride is marginal. The 1997 water quality investigation detected total coliform counts in two of the bores possibly indicating the presence of biofilms in the bore casing which will need to be cleaned out (Fitzgerald et al.,
2000).

Total Dissolved Solids

“No specific health guideline value is provided for total dissolved solids (TDS), as there are no
health effects directly attributable to TDS. However for good palatability total dissolved solids
in drinking water should not exceed 600 mg/L.

Total dissolved solids (TDS) consist of inorganic salts and small amounts of organic matter that are dissolved in water. Clay particles, colloidal iron and manganese oxides and silica, fine enough to pass through a 0.45 micron filter membrane can also contribute to total dissolved solids.